Copy files to /usr/share/foldername with Gnome
I had to copy some files from terminal to a folder in /usr/share/foldername
so I did sudo cp -r something/ /usr/share/foldername
which worked, but when I wanted to do it in Gnome, it kept saying I have no permission. How do I do it so it asks for permission, or how do I do sudo + task in Gnome ?